In a category called Experimental aircraft youd expect there to be, well, a lot of experimentation. We have the freedom to do our own thing, and it seems a shame to waste it. Such an attitude is no more vividly displayed than with alternative engines for homebuilts. In the last of our yearly Buyer’s Guides, well look at the offerings for homebuilders in this category, which we see as including both tried-and-true auto-engine conversions (and engines both closely and loosely based on auto engines) such as the Volkswagen, as well as some truly alternative, small-volume designs.
As in years past, we have contacted each company for an update on its products, asked for revised pricing, availability and number of engines delivered-notice the terminology, thats delivered, not sold.
Changes for the 2010 guide? Well, we failed to make contact with a few companies, and some said that certain engines were no longer available. For example, despite repeated attempts we could not connect with VairForce, a second company offering Corvair conversions. (Its our policy that companies that cant be bothered to return phone calls or answer emails probably cant support their product.) Among those we did talk to: Powersport is no longer offering the RE-360 rotary; Verner has discontinued the Scarlett radials; Eggenfellner has dropped the E6T and E6-Ti Subarus to concentrate on the standard E6 engine; and Vesta is no longer trying to develop the Chevy 6.6-liter DuraMax diesel.
What are you in for should you select an alternative engine? Depends. Indeed, both your skill level and your ability to work out solutions on the fly will help determine the quality of your installation, as will the development work done by the engine or firewall-forward package (FWF) provider. Its safe to say that not all alternative engines or engine packages are created equal, and just because a supplier says its plug-and-play, that doesn’t mean it really will be.
Because of the wide range of engine choices, its hard to create solid groupings across the board-groupings that might help you with an apples/apples comparison-but there are a few. The venerable Volkswagen flat-four engine remains a favorite for builders on a tight budget. Its ascendance to popularity came because there are just so many of them in the world; with the right modifications and technical approach, the VW engine can be a reliable, honest little airplane powerplant. Also, because of its configuration, the flat-four Subaru engine remains popular, as does the Corvair opposed-six.
Geared Drives, PSRU clutch view.
From there, the category diversifies, with engines designed from various other off-the-shelf components, including a range of automotive engines. Chevys landmark small-block V-8 is always a popular choice for builders who need high horsepower and desire a V-oriented engine. Whats more, the lure of the rotary engine, most often based on the Mazda-refined Wankel format, continues to be irresistible for builders. A number of companies are producing whole engines as well as providing kits for engines. Along those lines, we also provide a listing of companies that will sell their propeller-speed reduction units (PSRUs) for installation on your own engine choice. (Please note that we’ve listed the Rotax gearboxes for convenience, though technically they’re not supposed to be used on any engine besides a Rotax. The fact that they are available separately from the engines suggests their inclusion here.)
As with all things in the Experimental-aircraft market, the quality of the components and the customer orientation of the companies can vary greatly. Its our strenuous recommendation that you look closely at two data fields we provide here. One is the number of engines delivered. The other is the highest-time engine field. We ask every company to provide these data points, and many decline. When those numbers are small or unavailable, we urge you to step up your research efforts. Insist on contact with actual owners of the engine in question and learn what they like or dislike about the powerplant or firewall-forward package. Do not count on the veracity of online resources ranging from engine-specific bulletin boards to owner testimonials-particularly in the more public forums, the quality of information can be tainted by a small group of malcontents or by a groups fear of retribution by the manufacturer. You might be getting an overly cheerful view of the engine in question, or an overly gloomy one. Reader feedback also suggests that some of the listed availability times might be optimistic. One of the leading complaints appears that vendors over promise on delivery times. If you are the true tinkering type, this wont be a bother or a surprise, but if you’re new to this end of the homebuilt market, you need to be prepared to be flexible.
We do our best to look for new engine designs. If we’ve missed something, please let us know at firstname.lastname@example.org.
Mazdas version of the Wankel rotary engine is by far the most common, though there are a few offerings that share little to nothing with the Japanese powerplant. The idea of the Wankel is compelling: Each rotor has three combustion chambers and, overall, the engine works more like a two-stroke in that the power pulses come more frequently than in a four-stroke piston engine. But most interesting is that the Wankel eschews any reciprocating motion, and as such has an almost turbine-like smoothness. The Wankels traditional problems, including the reputation for high fuel consumption, have largely been addressed, and there’s nothing like the small size of the powerplant to give builders installation flexibility. All of the current rotary offerings require a PSRU.
|Base Price||Base Power||Induction||Cooling||Dry Weight (lb)||No. of Rotors||Prop||Highest Time Engine (hrs.)||Availa-bility||Notes|
|A650, 100 hp||$10,500||100 @ 6000 rpm||Carb||100||100||12 weeks||2 delivered.|
|Global Rotary Power Inc., rotaryengines.ca|
|GRP-NRR-CA, 40 hp||40 @ 6000 rpm||Carb||Liquid||38||1||2 weeks||Global Rotary has declined to submit prices or offer the number of engines delivered.|
|GRP-WAG-Fi 1, 40 hp||40 @ 6000 rpm||Inj.||Liquid||65||1||2 weeks|
|GRP-WST-MF-1 65 hp||65 @ 6000 rpm||Inj.||Liquid||143||1||6-8 weeks|
|GRP-WAG-Fi-2, 80 hp||80 @ 6000 rpm||Inj.||Liquid||115||2||10 weeks|
|GRP-WST-MF-2, 130 hp||130 @ 6000 rpm||Inj.||Liquid||176||2||1500|
|GRP-DAFi-13B, 180 hp||180 @ 6000 rpm||Inj.||Liquid||2||3 weeks|
|GRP-DAFi-13BT, 200 hp||200 @ 6000 rpm||Inj.||Liquid||2||3 weeks||Turbo-|
|GRP-WST-MF-3, 220 hp||220 @ 6000 rpm||Inj.||Liquid||220||3||1500||4 weeks|
|Mistral Engines, mistral-engines.com|
|G-200, 200 hp||200 @ 2250 (prop rpm)||Inj.||Liquid||291||2||Hartzell or MT, 3 blade||FAA and EASA Type certification expected beginning 2011. TBO estimated at 3000 hours.|
|G-230TS, turbocharged, 230 hp||230 @ 2250 (prop rpm)||Inj.||Liquid||328||2||Hartzell or MT, 3 blade||In develop-|
ment. FAA and EASA Type certification expected 2011.
|G-300, 300 hp||300 2 2250 (prop rpm)||Inj.||Liquid||390||2||Hartzell or MT, 3 blade||FAA and EASA Type certification expected end of 2010.|
|G-360TS, turbocharged, 360 hp||360 @ 2250 (prop rpm)||Inj.||Liquid||420||2||Hartzell or MT, 3 blade||In develop-|
ment. FAA and EASA Type certification expected 2011.
|Powersport Aviation, powersportaviation.com|
|RE-215 Rotary, 215 hp||$24,500||215 @ 2620 (prop rpm)||Inj.||Liquid||257||2||Fixed or MT 3 blade, electric constant speed||200||12 weeks||9 delivered.|
|RE-250 Rotary, 250 hp||$28,500||250 @ 2700 (prop rpm)||Inj.||Liquid||257||2||Fixed or MT 3 blade, electric constant speed||12 weeks||New porting configuration and injector develop-|
ment; no engines sold yet with this porting configu-
Carmaker Subaru has an excellent reputation for powerplant durability, but its perhaps the opposed-cylinder orientation that makes the Subie a viable choice for homebuilts. All current Subaru products are opposed-piston designs of four or six cylinders. All are liquid cooled and electronically fuel injected. Depending on the particular engine chosen, you could get double overhead camshafts or single cams per bank, but all of the current offerings have four valves per cylinder, long a staple of the modern-auto world. Because of their high-revving nature, all Subaru packages currently offered require PSRUs, which has an impact on all-up weight and prop choices. In this category, Eggenfellner has dropped the E6T and the E6-Ti turbocharged models for a single E6, normally aspirated, 200-horsepower engine, and added a conversion for the Honda Fit engine (seen in the Other Engines category). Maxwell, as we said in the February issue, is working hard on a turbocharged version of the single-cam EJ25 engine.
|Base Price||Base Power||Induct|
|Cooling||Dry Wt. (lb)||No. of Cyl.||Prop.||No. Deli-|
|Highest Time Engine (hrs.)||Avail-|
|Eggenfellner Aircraft, Inc., eggenfellneraircraft.com|
|Subaru E6, 200 hp||$17,995||200 @ 2700 (prop)||Inj.||Liquid||370||6||IVO Magnum||140||1100||4 months||E6T and E6-Ti models disc-|
ontinued. Complete FWF package.
|Maxwell Propulsion Systems, Inc., maxwellpropulsion.com|
|MX1, 165 hp||$20,115||165 @ 5200 rpm||Inj.||Liquid||338||4||MPS CAP 220||14||8 weeks||Tuned to use 87 octane mogas. Two-year limited warranty on FWF engine packages including PSRU and propeller, starting at $26,830.|
|MX2 Stroker, 195 hp||$27,000||195 @ 5200 rpm||Inj.||Liquid||338||4||MPS CAP 220||4||8 weeks||Tuned to use 93 octane mogas or 100LL. Two-year limited warranty. FWF engine packages with MPS PSRU upgrade starting at $33,715.|
|MX3 Turbo, 240 hp||$29,100||240 @ 5200 rpm||Inj.||Liquid||338||4||MPS CAP 220||14 weeks||In develop-|
ment. Tuned to use 92 octane mogas or 100LL, two-year limited warranty, FWF engine packages with MPS PSRU upgrade starting at $35,850.
|RAM Performance Ltd., ramengines.com|
|Subaru RAM 2.3L SC, 300 hp||$21,995||300 @ 2700 (prop rpm)||Inj.||Liquid||235||4||Prince P-Tip||4||50||3 months|
|Subaru RAM 2.3L, 200 hp||$15,995||200 @ 2450 (prop rpm)||Inj.||Liquid||220||4||Prince P-Tip||25||200||8 weeks|
|Subaru RAM SC, 140 hp||$18,995||140 @ 2500 (prop rpm)||Inj.||Liquid||188||4||Prince P-Tip||50||300||8 weeks||Super-|
|Subaru RAM, 115 hp||$13,995||115 @ 2500 (prop rpm)||Inj.||Liquid||176||4||Prince P-Tip||250||1800||8 weeks||Includes redrive and motor mounts.|
|Stratus 2000, stratus2000.homestead.com|
|EA81, 105 hp||$8,995||105 @ 3200 rpm||Carb||Liquid||200||4||Warp Drive 3-blade, wide chord, ground adjustable||185||1200||2-3 months|
Then there’s our catch-all category, one meant to encompass those engines that aren’t easily grouped with others. Here you’ll find everything from a small-block Chevy V-8 to purpose-built aero engines. The Corvair is in here, too, now that were down to just one supplier in the field, the indefatigable William Wynne. In making your decisions, look carefully at the number of engines delivered and all-up weight. Be sure to consider a bit of fudge factor for liquid-cooled engines-some companies list the engine weight with accessories and cooling-system components, while others do not.
|Base Price||Base Pwr||Induc-|
est Time Engine (hrs.)
|Eggenfellner Aircraft, Inc., eggenfellneraircraft.com|
|Honda Fit Conversion, 110 hp||$12,995||110 @ 2700 (prop)||Inj.||Liquid||I-4||IVO Medium|
|FlyCorvair Corvair, 100-130 hp||$7,995||100 @ 3200 rpm||Carb||Air||218-|
|O-6||Wood or comp.||65||500||2 mo.||Displace-|
ments available from 164-169 cubic inch.
|Geared Drives, geareddrives.com|
|LS Series Aluminum Chevrolet Corvette for RV-10, Bearhawk, Glasair III, other O-540 applica-|
tions, 320 hp
|$29,900||320 @ 4300 rpm||Inj.||Liquid||488||V-8||Cust. choice of hydraulic, electric or fixed pitch||5||4-5 mo.||Complete FWF package.|
|LSJ Aluminum Chevrolet, 150-245 hp||$29,900||150 @ 4800 rpm||Inj.||Liquid||470||I-4||Cust. choice of hydraulic, electric or fixed pitch||2||4-5 mo.||Aluminum four-cylinder Chevy engine. Complete FWF package.|
|Hexatron Engineering Co. Inc., hexadyneaviation.com|
|Hexadyne P60 Champ, 60 hp||$8,800||60 @ 5750 rpm||Inj.||Air||94||I-3||Warp drive, Powerfin, Kiev, fixed or adjust.||48||1800||1 wk.||Four aircraft flying.|
|Powerplant Developments-USA, Inc., ppdgemini.com|
|Gemini 100, 100 hp||$18,000||100 @ 2500 rpm||155||I-3||Est April 2011||Still in develop-|
ment. Three-cylinder, six-piston compres-
sion-ignition design developed for LSA market.
|Raven ReDrives, raven-rotor.com|
|1000 UL, UL-T, ULRS-T Turbo, 80 hp||$7,850||80 @ 5700 rpm||Inj.||Liquid||152||I-3||Ivoprop, Powerfin, GSC, wood||15||500||2-3 wks.||Price includes complete engine package.|
|1000 ULDD, 38 hp||$4,975||38 @ 3400 rpm||Carb||Liquid||93||I-3||2 blade wood||1||10||3-4 wks.||Price includes complete engine package.|
|1000 ULRS, ULRS-T, 60 hp||$5,996||60 @ 5700 rpm||Inj.||Liquid||140||I-3||Ivoprop, Powerfin, GSC, wood||24||650||2-3 wks.||Price includes complete engine package.|
|1000 ULX, UL, UL-T, 60 hp||$5,749||60 @ 5700 rpm||Inj.||Liquid||130-|
|I-3||Ivoprop, Powerfin, GSC, wood||236||1000||4-6 wks.||Price includes complete engine package.|
|1300 SV/1300 SVS Turbo, 115 hp||$11,495||115 @ 5700 rpm||Inj.||Liquid||195-|
|I-4||Ivoprop, Powerfin, GSC, wood||8||50||4-6 wks.|
|1300 SV/1300 SVS, 90 hp||$8,595||90 @ 5700 rpm||Inj.||Liquid||175-|
|I-4||Ivoprop, Powerfin, GSC, wood||38||250||4-6 wks.||Price includes complete engine package.|
|Trace Engines, traceengines.com|
|OE-600, 600 hp||$200,000||600 @ 4400 rpm||Inj.||Liquid||600||V-8||McCauley||2||1300||Immed.||FAA Type and Production certified.|
|Valley Engineering, culverprops.com|
|Big Twin 992 4-stroke, 40 hp||$4,995||40 @ 3600 rpm||Carb||Air||110||V-2||Culver two-blade wood prop included.||45||350||2 wks.||Price includes electric start, PSRU, prop and exhaust.|
|VE 85, 85 hp||$7,500||85 @ 3800 rpm||Carb||Air||180||H-4||Culver two-blade wood prop included.||4||100||1 mo.||Price includes Diehl case, electric start, PSRU and prop.|
|VE 100, 100 hp||$9,995||100 @ 3800 rpm||Carb||Air||185||H-4||Culver two-blade wood prop included.||40||750||1 mo.||Price includes Diehl case, electric start, PSRU and prop.|
|Verner Light Aircraft Engines, flydiver.com|
|Verner JCV-360, 38 hp||$8,275||38 @ 7500 rpm||Carb||Liquid||57||O-2||52 inch||2||8-12 wks.|
|VM133MK, 84 hp||$9,900||84 @ 5500 rpm||Carb||Air||134||O-2||68-72 inch||5700||2500||8-12 wks.||Based on BMW motorcycle cylinder assemblies. Fuel injection to be available 1Q10.|
|Vesta, Inc., vestaV8.com|
|Chevy 572 Big Block, 550 hp||$26,900||550 @ 4500 rpm||Inj.||Liquid||780||V-8||Vesta HT 84-102||4 mo.|
|Ecotec 2.2L-2.4L, 160-200 hp||$11,900||160 @ 5000 rpm||Inj.||Liquid||300||I-4||Vesta GT2, GT3 68-78, LT2 80-83.||4 mo.||Up to 200 hp @ 5400 rpm available.|
|Honda 3.5L-3.7L V-6, 240-310 hp||$13,900||240 @ 5000 rpm||Inj.||Liquid||340||V-6||Vesta GT2, GT3, GT4 68-78, LT4 80-83, VP3-82, VP4 70-82||4 mo.||Up to 310 hp @ 4800 rpm available. FADEC controlled.|
|LS3-376 V-8, 380-430 hp||$15,000||380 @ 4500 rpm||Inj.||Liquid||460||V-8||Vesta HT3, HT4 76-84, RT3, RT4 89-92, HT3 84-102, VP3 82, VP4 70-82.||4 mo.||Up to 430 hp @ 4800 rpm available. FADEC controlled.|
|* Configuration key: I-3, inline three cylinder; I-4, inline four cylinder; V-8, V-arrayed eight cylinder; V-6, V-arrayed six cylinder; O-4, opposed four cylinder; O-6, opposed six cylinder.|
The opposed-four-cylinder Volkswagen engines share some major characteristics, though the development of the breed as aero engines has led to a number of modifications and novel solutions. Youll find the Vee-Dub engine as both air- and liquid-cooled, though air cooling is by far the most common choice. A variety of displacements are available, and you’ll find them as both direct-drive and with various PSRUs. The trade-offs are well-known. A geared engine can turn faster and make more power for a given displacement, but the cost is weight and complexity. Direct-drive versions are simpler and, usually, lighter, but they have certain prop limitations. While all VW-based packages are four-stroke designs, there are many, many variations of internal components, accessories and horsepower ranges.
|Manufacturer/Model||Base Price||Base Power||Induction||Cooling||Dry Weight (lb)||Propeller||No. Delive-red||Highest Time Engine (hrs.)||Availability|
|AeroVee 2.1, 80 hp||$6,495||80 @ 3400 rpm||TBI||Air||161||Fixed pitch wood or comp.||463||1000||4-6 weeks|
|Great Plains Aircraft Supply Co., greatplainsas.com|
|1600cc VW Direct Drive, 50 hp||$3,400||50 @ 3400 rpm||Carb||Air||145-164||Wood||23||1800||Immediate|
|1835cc VW Direct Drive, 60 hp||$3,900||60 @ 3400 rpm||Carb||Air||145-162||Wood||105||1800||Immediate|
|1915cc VW Reduction Drive, 80 hp||$4,900||80 @ 4200 rpm||Carb||Air||178||Wood||21||175||Immediate|
|2180cc VW Direct Drive, 76 hp||$4,500||76 @ 3400 rpm||Carb||Liquid||165||Wood||1800+||2500||Immediate|
|2180cc VW Flywheel Drive, 80 hp||$6,000||80 @ 3400 rpm||Carb||Air||185||Wood||37||Immediate|
|2180cc VW Redrive, 103 hp||$5,500||103 @ 4200 rpm||Carb||Air||188||Wood or comp.||37||175||Immediate|
|Hummel Engines, hummelengines.com|
|Hummel 2- & 4-Cylinder VW, 28-85 hp||$3,700||28 @ 3000 rpm||Carb||Air||80-167||54×20 to 62×32||400+||1200||4-6 weeks|
|Revmaster Aviation, revmasteraviation.com|
|R2100-D, 75 hp||$6,800||75 @ 3200 rpm||Carb||Air||175||Standard fixed, oil controls||3370||2000||1-2 months|
|R2200-D, 100 hp||$6,800||100 @ 3250 rpm||Carb||Air||Standard fixed, oil controls|
|R3000-D, 110 hp*||110 @ 3200 rpm||Carb||Air||205||Fixed pitch||8|
|* Note: In development; prototype engines only delivered.|
Finally, prop-speed reduction units. Many FWF providers will sell a PSRU separately for an engine installation of your own design, while other companies specialize in just PSRUs. As always, contact the company directly to understand if the engine you propose to install will mate with any given PSRU.
|Manufacturer||Model||Price||Type||Ratio||Max Engine Power||Weight (lb)||Propeller||Notes|
|Alturair, alturdyne.com||A650 PR||$6,495||Gear, Planetary||3:01||100||35|
|American Rotary Engines, rotaryengine.com||$6,500||Gear, Straight||2.29:1, 2.39:1||300||55||No hydraulic pitch governor; electric only||6 delivered, 2-3 weeks shipping time.|
|Belted Air Power, beltedair.com||$5,600||Belt||1.43:1||260||48||74 inch, 35 lb.||200+ delivered, 2 weeks shipping time.|
| Compact Radial Engines, compactradial|
|RZ Gearbox||$1,580||Helical Gear||Five availa-|
|130||28||800 delivered, 2 weeks shipping time if not in stock.|
|Eggenfellner Aircraft, Inc., eggenfellner|
|$4,495||Gear (Unspecified)||2.01:1||200||38||Wood or composite propeller||500+ delivered, immediate shipping time.|
|Geared Drives, geareddrives.com||$9,500||Spur Gear||1.616:1, 1.72:1||400||63||Customers choice of fixed-pitch, hydraulic or electric||New CNC case costs extra. 20 delivered, 120-180 days shipping time.|
|Global Rotary Power Inc., rotaryengines.ca||$1,370||Belt||2:1, 3:1||80||14|
|Great Plains Aircraft Supply Co., greatplainsas.com||Valley Series 3||$1,595||Belt||1.6:1, 2.0:1, 2.47:1||105||17||Wood||96 delivered, immediate shipping time.|
|Valley Series 3||$1,595||Belt||1.6:1, 2.0:1, 2.47:1||120||17||Wood or composite||101 delivered, immediate shipping time.|
|Maxwell Propulsion Systems, Inc., |
|Autoflite||$3,800||Helical Gear||1.9:1, 2.2:1, 2.4:1, 2.9:1||300||38-58||Reverse rotation, tractor or pusher, recommend CAP-220||Dealer for Autoflite PSRU, 8 weeks shipping time.|
|$8,950||Helical Gear||2.13:1||300||72||Reverse rotation, tractor or pusher, recommend CAP-220||13 delivered, 8 weeks shipping time.|
|Powersport Aviation, powersport|
|$6,495||Straight Gear||2.29:1, 2.39:1, 3:1||300||57||Standard prop rotation||12 delivered, 4-12 weeks shipping time; three-rotor engines must use special torsional pulley.|
|RAM Performance Ltd., ramengines.com||$3,600||Helical Gear||1.9:1, 2.1:1, 2.47:1, 2.9:1||160||36||72 inch||50 delivered, 2 months shipping time.|
|$3,895||Helical Gear||1.9:1, 2.1:1, 2.47:1, 2.9:1||200||38||72 inch||2 delivered, 2 months shipping time.|
|$4,100||Helical Gear||1.9:1, 2.1:1, 2.47:1, 2.9:1||300||42||80 inch||4 delivered, 2 months shipping time.|
|1000ULDD for Geo three cylinder||$1,295||38||95||Two-blade, wood||Conversion kit for direct-drive 38 hp, 95 lb. 1 delivered, 3-4 weeks shipping time.|
|1000ULRS-T for Geo three cylinder||$2,695||Belt||2.26:1||80||19||Ivo, Powerfin, GSC, wood||34 delivered, 3-4 weeks shipping time.|
|1000ULX, UL, UL-T for Geo three cylinder||$2,295||Belt||2.26:1||80||17||Ivo, Powerfin, GSC, wood||236 delivered, 3-4 weeks shipping time.|
|1300SV, 1300 SVS for Geo three cylinder||$3,595||Belt||2.26:1||120||17-22||Ivo, Powerfin, GSC, wood||38 delivered, 3-4 weeks shipping time.|
|Real World Solutions, rotaryaviation.com||RD-1B||$3,315||Planetary Gear||2.176:1||300||44||Fixed-pitch or electric constant speed. No length or weight limitations. Drive approved for recreational type aerobatics.||69 delivered, 6-8 weeks shipping time.|
|RD-1C||$3,315||Planetary Gear||2.85:1||300||44||Fixed-pitch or electric constant speed. No length or weight limitations. Drive approved for recreational type aerobatics.||102 delivered, 6-8 weeks shipping time.|
|Recreational Power Engineering, recpower.com||Cogbelt Re-Drive||$1,550||Belt||2.6:1||70||15||Prop up to 72 inch||40 delivered, 3-4 weeks shipping time.|
|G-40||$1,665||Helical Gear||2.03:1, 2.25:1, 2.46:1, 2.79:1. 2.96:1, 3.33:1, 3.79:1||120||24||Prop up to 76 inch||550 delivered, 3-4 weeks shipping time.|
|G-50||$1,465||Helical Gear||2.03:1, 2.25:1, 2.46:1, 2.96:1, 3.33:1, 3.79:1||100||19||1750 delivered, immediate shipping time.|
|B Gearbox||Helical Gear||2.0:1, 2.24:1, 2.58:1||64||10||Limitation of 3000 kg/cm2||5000+ delivered, immediate shipping time.|
|C Gearbox||Helical Gear||2.62:1, 3:1, 3.47:1, 4:1||75||18||Limitation of 6000 kg/cm2||5500+ delivered, immediate shipping time.|
|E Gearbox with integrated E/S||Helical Gear||2.62:1, 3:1, 3.47:1, 4:1||75||25||Limitation of 6000 kg/cm2||5500+ delivered, immediate shipping time.|
|Stratus 2000, |
|EA81 Subaru||$3,000||Belt||2.2:1||125||45||Any SAE #1 bolt pattern||195 PSRUs delivered, 1 week shipping time.|
|Valley Engineering, culverprops.com||V-Twin||$1,295||Belt||1.61:1 – 2.92:1||50||6||Recommend Culver wood two-blade||25 delivered, 3 weeks shipping time.|
|VW Type One||$1,595||Belt||1.61:1 – 2.92:1||120||8||Recommend Culver wood two-blade||250 delivered, 3 weeks shipping time.|
|Vesta Inc., vestaV8.com||$3,500||Chain||1:1 – 3.1:1||600||45-100||Manufactured for Vesta propellers||Five chain widths available (1.0, 1.5, 2.0, 3.0 and 4.0 inch). Supports hydraulic governor.|